mount_ntfs.c revision 43548
1/* 2 * Copyright (c) 1994 Christopher G. Demetriou 3 * Copyright (c) 1999 Semen Ustimenko 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Christopher G. Demetriou. 17 * 4. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 * 31 * $Id: mount_ntfs.c,v 1.2 1999/02/02 01:47:22 semen Exp $ 32 * 33 */ 34 35#include <sys/cdefs.h> 36#include <sys/param.h> 37#define NTFS 38#include <sys/mount.h> 39#include <sys/stat.h> 40#include <ntfs/ntfsmount.h> 41#include <ctype.h> 42#include <err.h> 43#include <grp.h> 44#include <pwd.h> 45#include <stdio.h> 46#include <stdlib.h> 47#include <string.h> 48#include <sysexits.h> 49#include <unistd.h> 50 51#include "mntopts.h" 52 53static struct mntopt mopts[] = { 54 MOPT_STDOPTS, 55 { NULL } 56}; 57 58static gid_t a_gid __P((char *)); 59static uid_t a_uid __P((char *)); 60static mode_t a_mask __P((char *)); 61static void usage __P((void)) __dead2; 62 63int 64main(argc, argv) 65 int argc; 66 char **argv; 67{ 68 struct ntfs_args args; 69 struct stat sb; 70 int c, mntflags, set_gid, set_uid, set_mask,error; 71 char *dev, *dir, ndir[MAXPATHLEN+1]; 72#if __FreeBSD_version >= 300000 73 struct vfsconf vfc; 74#else 75 struct vfsconf *vfc; 76#endif 77 78 mntflags = set_gid = set_uid = set_mask = 0; 79 (void)memset(&args, '\0', sizeof(args)); 80 81 while ((c = getopt(argc, argv, "aiu:g:m:o:")) != -1) { 82 switch (c) { 83 case 'u': 84 args.uid = a_uid(optarg); 85 set_uid = 1; 86 break; 87 case 'g': 88 args.gid = a_gid(optarg); 89 set_gid = 1; 90 break; 91 case 'm': 92 args.mode = a_mask(optarg); 93 set_mask = 1; 94 break; 95 case 'i': 96 args.flag |= NTFS_MFLAG_CASEINS; 97 break; 98 case 'a': 99 args.flag |= NTFS_MFLAG_ALLNAMES; 100 break; 101 case 'o': 102 getmntopts(optarg, mopts, &mntflags, 0); 103 break; 104 case '?': 105 default: 106 usage(); 107 break; 108 } 109 } 110 111 if (optind + 2 != argc) 112 usage(); 113 114 dev = argv[optind]; 115 dir = argv[optind + 1]; 116 if (dir[0] != '/') { 117 warnx("\"%s\" is a relative path", dir); 118 if (getcwd(ndir, sizeof(ndir)) == NULL) 119 err(EX_OSERR, "getcwd"); 120 strncat(ndir, "/", sizeof(ndir) - strlen(ndir) - 1); 121 strncat(ndir, dir, sizeof(ndir) - strlen(ndir) - 1); 122 dir = ndir; 123 warnx("using \"%s\" instead", dir); 124 } 125 126 args.fspec = dev; 127 args.export.ex_root = 65534; /* unchecked anyway on DOS fs */ 128 if (mntflags & MNT_RDONLY) 129 args.export.ex_flags = MNT_EXRDONLY; 130 else 131 args.export.ex_flags = 0; 132 if (!set_gid || !set_uid || !set_mask) { 133 if (stat(dir, &sb) == -1) 134 err(EX_OSERR, "stat %s", dir); 135 136 if (!set_uid) 137 args.uid = sb.st_uid; 138 if (!set_gid) 139 args.gid = sb.st_gid; 140 if (!set_mask) 141 args.mode = sb.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO); 142 } 143 144#if __FreeBSD_version >= 300000 145 error = getvfsbyname("ntfs", &vfc); 146 if(error && vfsisloadable("ntfs")) { 147 if(vfsload("ntfs")) 148#else 149 vfc = getvfsbyname("ntfs"); 150 if(!vfc && vfsisloadable("ntfs")) { 151 if(vfsload("ntfs")) 152#endif 153 err(EX_OSERR, "vfsload(ntfs)"); 154 endvfsent(); /* clear cache */ 155#if __FreeBSD_version >= 300000 156 error = getvfsbyname("ntfs", &vfc); 157#else 158 vfc = getvfsbyname("ntfs"); 159#endif 160 } 161#if __FreeBSD_version >= 300000 162 if (error) 163#else 164 if (!vfc) 165#endif 166 errx(EX_OSERR, "ntfs filesystem is not available"); 167 168#if __FreeBSD_version >= 300000 169 if (mount(vfc.vfc_name, dir, mntflags, &args) < 0) 170#else 171 if (mount(vfc->vfc_index, dir, mntflags, &args) < 0) 172#endif 173 err(EX_OSERR, "%s", dev); 174 175 exit (0); 176} 177 178gid_t 179a_gid(s) 180 char *s; 181{ 182 struct group *gr; 183 char *gname; 184 gid_t gid; 185 186 if ((gr = getgrnam(s)) != NULL) 187 gid = gr->gr_gid; 188 else { 189 for (gname = s; *s && isdigit(*s); ++s); 190 if (!*s) 191 gid = atoi(gname); 192 else 193 errx(EX_NOUSER, "unknown group id: %s", gname); 194 } 195 return (gid); 196} 197 198uid_t 199a_uid(s) 200 char *s; 201{ 202 struct passwd *pw; 203 char *uname; 204 uid_t uid; 205 206 if ((pw = getpwnam(s)) != NULL) 207 uid = pw->pw_uid; 208 else { 209 for (uname = s; *s && isdigit(*s); ++s); 210 if (!*s) 211 uid = atoi(uname); 212 else 213 errx(EX_NOUSER, "unknown user id: %s", uname); 214 } 215 return (uid); 216} 217 218mode_t 219a_mask(s) 220 char *s; 221{ 222 int done, rv=0; 223 char *ep; 224 225 done = 0; 226 if (*s >= '0' && *s <= '7') { 227 done = 1; 228 rv = strtol(optarg, &ep, 8); 229 } 230 if (!done || rv < 0 || *ep) 231 errx(EX_USAGE, "invalid file mode: %s", s); 232 return (rv); 233} 234 235void 236usage() 237{ 238 fprintf(stderr, "usage: mount_ntfs [-a] [-i] [-u user] [-g group] [-m mask] bdev dir\n"); 239 exit(EX_USAGE); 240} 241